Alyson Hannigan is one of the most popular comedy actresses of the moment. She is most known for her role as Lily Aldrin in the hit TV series How I Met Your Mother. We also remember her from her hilarious role in American Pie. Looking back at Alyson’s evolution, we can’t help but notice that she gets prettier with age. The subtle yet obvious changes in her look have made a lot of fans wonder whether Alyson is a natural beauty who got skilled with makeup products or whether she joined the club of celebrities who love plastic surgery. There are numerous before and after photos which scandal magazines use in order to power up the Alyson Hannigan plastic surgery rumors. However, there is a lot of time between those photos and we have to admit that people’s features change over time. Her wrinkle free forehead is rather suspicious, especially if you take into account the fact that the actress is 39 years old. But is this gorgeous face the result of plastic surgery or is it simply a testament to the wonders of a healthy lifestyle. Lets take a closer look at these before and after photos and see if they hold any value!